dm: pci: video: Convert video and pci_rom to use DM PCI API

Adjust these files to use the driver-model PCI API instead of the legacy
functions.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/ivybridge/gma.c

@@ -756,8 +756,8 @@ int gma_func0_init(struct udevice *dev, const void *blob, int node)
 
 #ifdef CONFIG_VIDEO
 	start = get_timer(0);
-	ret = pci_run_vga_bios(dm_pci_get_bdf(dev), int15_handler,
-			       PCI_ROM_USE_NATIVE | PCI_ROM_ALLOW_FALLBACK);
+	ret = dm_pci_run_vga_bios(dev, int15_handler,
+				  PCI_ROM_USE_NATIVE | PCI_ROM_ALLOW_FALLBACK);
 	debug("BIOS ran in %lums\n", get_timer(start));
 #endif
 	/* Post VBIOS init */

drivers/pci/Makefile

@@ -6,6 +6,7 @@
 #
 
 ifneq ($(CONFIG_DM_PCI),)
+obj-y += pci_rom.o
 obj-$(CONFIG_PCI) += pci-uclass.o pci_auto.o
 obj-$(CONFIG_DM_PCI_COMPAT) += pci_compat.o
 obj-$(CONFIG_PCI_SANDBOX) += pci_sandbox.o
@@ -14,7 +15,7 @@ obj-$(CONFIG_X86) += pci_x86.o
 else
 obj-$(CONFIG_PCI) += pci.o pci_auto_old.o
 endif
-obj-$(CONFIG_PCI) += pci_auto_common.o pci_common.o pci_rom.o
+obj-$(CONFIG_PCI) += pci_auto_common.o pci_common.o
 
 obj-$(CONFIG_FSL_PCI_INIT) += fsl_pci_init.o
 obj-$(CONFIG_PCI_INDIRECT_BRIDGE) += pci_indirect.o

drivers/pci/pci_rom.c

@@ -25,6 +25,7 @@
 
 #include <common.h>
 #include <bios_emul.h>
+#include <dm.h>
 #include <errno.h>
 #include <malloc.h>
 #include <pci.h>
@@ -33,12 +34,12 @@
 #include <video_fb.h>
 #include <linux/screen_info.h>
 
-__weak bool board_should_run_oprom(pci_dev_t dev)
+__weak bool board_should_run_oprom(struct udevice *dev)
 {
 	return true;
 }
 
-static bool should_load_oprom(pci_dev_t dev)
+static bool should_load_oprom(struct udevice *dev)
 {
 	if (IS_ENABLED(CONFIG_ALWAYS_LOAD_OPROM))
 		return 1;
@@ -53,21 +54,18 @@ __weak uint32_t board_map_oprom_vendev(uint32_t vendev)
 	return vendev;
 }
 
-static int pci_rom_probe(pci_dev_t dev, uint class,
-			 struct pci_rom_header **hdrp)
+static int pci_rom_probe(struct udevice *dev, struct pci_rom_header **hdrp)
 {
+	struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
 	struct pci_rom_header *rom_header;
 	struct pci_rom_data *rom_data;
-	u16 vendor, device;
 	u16 rom_vendor, rom_device;
 	u32 rom_class;
 	u32 vendev;
 	u32 mapped_vendev;
 	u32 rom_address;
 
-	pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
-	pci_read_config_word(dev, PCI_DEVICE_ID, &device);
-	vendev = vendor << 16 | device;
+	vendev = pplat->vendor << 16 | pplat->device;
 	mapped_vendev = board_map_oprom_vendev(vendev);
 	if (vendev != mapped_vendev)
 		debug("Device ID mapped to %#08x\n", mapped_vendev);
@@ -76,15 +74,15 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
 	rom_address = CONFIG_VGA_BIOS_ADDR;
 #else
 
-	pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_address);
+	dm_pci_read_config32(dev, PCI_ROM_ADDRESS, &rom_address);
 	if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
 		debug("%s: rom_address=%x\n", __func__, rom_address);
 		return -ENOENT;
 	}
 
 	/* Enable expansion ROM address decoding. */
-	pci_write_config_dword(dev, PCI_ROM_ADDRESS,
-			       rom_address | PCI_ROM_ADDRESS_ENABLE);
+	dm_pci_write_config32(dev, PCI_ROM_ADDRESS,
+			      rom_address | PCI_ROM_ADDRESS_ENABLE);
 #endif
 	debug("Option ROM address %x\n", rom_address);
 	rom_header = (struct pci_rom_header *)(unsigned long)rom_address;
@@ -98,7 +96,7 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
 		       le16_to_cpu(rom_header->signature));
 #ifndef CONFIG_VGA_BIOS_ADDR
 		/* Disable expansion ROM address decoding */
-		pci_write_config_dword(dev, PCI_ROM_ADDRESS, rom_address);
+		dm_pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address);
 #endif
 		return -EINVAL;
 	}
@@ -111,7 +109,7 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
 	      rom_vendor, rom_device);
 
 	/* If the device id is mapped, a mismatch is expected */
-	if ((vendor != rom_vendor || device != rom_device) &&
+	if ((pplat->vendor != rom_vendor || pplat->device != rom_device) &&
 	    (vendev == mapped_vendev)) {
 		printf("ID mismatch: vendor ID %04x, device ID %04x\n",
 		       rom_vendor, rom_device);
@@ -122,9 +120,9 @@ static int pci_rom_probe(pci_dev_t dev, uint class,
 	debug("PCI ROM image, Class Code %06x, Code Type %02x\n",
 	      rom_class, rom_data->type);
 
-	if (class != rom_class) {
+	if (pplat->class != rom_class) {
 		debug("Class Code mismatch ROM %06x, dev %06x\n",
-		      rom_class, class);
+		      rom_class, pplat->class);
 	}
 	*hdrp = rom_header;
 
@@ -251,27 +249,26 @@ void setup_video(struct screen_info *screen_info)
 	screen_info->rsvd_pos = vesa->reserved_mask_pos;
 }
 
-int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
+int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
+			int exec_method)
 {
+	struct pci_child_platdata *pplat = dev_get_parent_platdata(dev);
 	struct pci_rom_header *rom, *ram;
 	int vesa_mode = -1;
-	uint class;
 	bool emulate;
 	int ret;
 
 	/* Only execute VGA ROMs */
-	pci_read_config_dword(dev, PCI_REVISION_ID, &class);
-	if (((class >> 16) ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
-		debug("%s: Class %#x, should be %#x\n", __func__, class,
+	if (((pplat->class >> 8) ^ PCI_CLASS_DISPLAY_VGA) & 0xff00) {
+		debug("%s: Class %#x, should be %#x\n", __func__, pplat->class,
 		      PCI_CLASS_DISPLAY_VGA);
 		return -ENODEV;
 	}
-	class >>= 8;
 
 	if (!should_load_oprom(dev))
 		return -ENXIO;
 
-	ret = pci_rom_probe(dev, class, &rom);
+	ret = pci_rom_probe(dev, &rom);
 	if (ret)
 		return ret;
 
@@ -314,12 +311,12 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
 #ifdef CONFIG_BIOSEMU
 		BE_VGAInfo *info;
 
-		ret = biosemu_setup(dev, &info);
+		ret = biosemu_setup(dm_pci_get_bdf(dev), &info);
 		if (ret)
 			return ret;
 		biosemu_set_interrupt_handler(0x15, int15_handler);
-		ret = biosemu_run(dev, (uchar *)ram, 1 << 16, info, true,
-				  vesa_mode, &mode_info);
+		ret = biosemu_run(dm_pci_get_bdf(dev), (uchar *)ram, 1 << 16,
+				  info, true, vesa_mode, &mode_info);
 		if (ret)
 			return ret;
 #endif
@@ -327,8 +324,8 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
 #ifdef CONFIG_X86
 		bios_set_interrupt_handler(0x15, int15_handler);
 
-		bios_run_on_x86(dev, (unsigned long)ram, vesa_mode,
-				&mode_info);
+		bios_run_on_x86(dm_pci_get_bdf(dev), (unsigned long)ram,
+				vesa_mode, &mode_info);
 #endif
 	}
 	debug("Final vesa mode %#x\n", mode_info.video_mode);

drivers/video/vesa_fb.c

@@ -19,8 +19,8 @@ GraphicDevice ctfb;
 void *video_hw_init(void)
 {
 	GraphicDevice *gdev = &ctfb;
+	struct udevice *dev;
 	int bits_per_pixel;
-	pci_dev_t dev;
 	int ret;
 
 	printf("Video: ");
@@ -33,14 +33,14 @@ void *video_hw_init(void)
 		return NULL;
 	}
 	if (vbe_get_video_info(gdev)) {
-		dev = pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0);
-		if (dev < 0) {
+		ret = dm_pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0, &dev);
+		if (ret) {
 			printf("no card detected\n");
 			return NULL;
 		}
 		bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
-		ret = pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
-				       PCI_ROM_ALLOW_FALLBACK);
+		ret = dm_pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
+					  PCI_ROM_ALLOW_FALLBACK);
 		bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD);
 		if (ret) {
 			printf("failed to run video BIOS: %d\n", ret);

include/pci_rom.h

@@ -44,14 +44,14 @@ enum pci_rom_emul {
 };
 
  /**
- * pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
+ * dm_pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
  *
  * @dev:	Video device containing the BIOS
  * @int15_handler:	Function to call to handle int 0x15
  * @exec_method:	flags from enum pci_rom_emul
  */
-int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void),
-		     int exec_method);
+int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
+			int exec_method);
 
 /**
  * board_map_oprom_vendev() - map several PCI IDs to the one the ROM expects